glutestablishoverlay(3) centos man page | unix.com

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NAME
     glutEstablishOverlay -- Creates an overlay.

LIBRARY
     OpenGLUT - overlays

SYNOPSIS
     #include <openglut.h>

     void
     glutEstablishOverlay(void);

DESCRIPTION
     Creates an overlay associated with the  current window  .

CAVEATS
     Unimplemented.

     Old GLUT would terminate the program when an overlay was not possible.  freeglut ignores the request; OpenGLUT ignores the request as well.

SEE ALSO
     glutRemoveOverlay(3) glutUseLayer(3) glutPostOverlayRedisplay(3) glutPostWindowOverlayRedisplay(3) glutShowOverlay(3) glutHideOverlay(3)

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